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# Measures of Central Tendency and Dispersion

## Mean, median, mode, range

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Practice Measures of Central Tendency and Dispersion

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Medians
Teacher Contributed

## RWA Medians

Acrobats

• median
• centroid

### Student Exploration

#### How do acrobats use the center of mass to balance? How is the center of mass related to the three medians of a triangle?

Centroid of a Triangle - The point where the three medians of the triangle intersect. The ‘center of gravity’ of the triangle

Read more here ... http://www.mathopenref.com/trianglecenters.html

### Extension Investigation

How to Balance a Triangle using a Centroid

#### Layering (optional)

Triangle Centroid By Folding

Constructing the Centroid of a Triangle

Patty paper centroid

Triangle Centroid

### Notes/Highlights Having trouble? Report an issue.

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